Role of previously formed corrosion product layers on sulfide-assisted corrosion of iron archaeological artefacts in soil

C. Rémazeilles 1 D. Neff 2, 3 J.A. Bourdoiseau 1, 4 R. Sabot 1 M. Jeannin 1 Ph. Refait 1
1 LaSIE - Laboratoire des Sciences de l'Ingénieur pour l'Environnement
2 LAPA - UMR 3685 - Laboratoire Archéomatériaux et Prévision de l'Altération
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
3 IRAMAT - Institut de Recherches sur les Archéomatériaux
4 ANDRA - Agence Nationale pour la Gestion des Déchets Radioactifs
Abstract : Iron archaeological nails (16th century) were used as representative of the mild steel structures envisaged for the storage of nuclear waste. The influence of sulfide species on the corrosion behavior of the nails was investigated via the thorough description of the modifications undergone by the corrosion products surrounding the metal after re-immersion in deaerated sulfide solution. The only observed modification was the formation of FeS at the corrosion product layer/soil interface. The corrosion product layer, mainly composed of FeCO3, acts as protective barrier, the reactivity of FeCO3 preventing sulfide species to reach the metal and influence the corrosion process.
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Journal articles
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https://hal-cea.archives-ouvertes.fr/cea-01758707
Contributor : Serge Palacin <>
Submitted on : Wednesday, April 4, 2018 - 4:57:17 PM
Last modification on : Tuesday, July 9, 2019 - 10:07:54 AM

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CEA | UNIV-BM | UNIV-ROCHELLE | DSM-IRAMIS | UNIV-BM-THESE | PUBNIMBE | IRAMIS-NIMBE | CEA-UPSAY | CEA-DRF | INC-CNRS | UNIV-ORLEANS | LASIE | UNIV-PARIS-SACLAY

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C. Rémazeilles, D. Neff, J.A. Bourdoiseau, R. Sabot, M. Jeannin, et al.. Role of previously formed corrosion product layers on sulfide-assisted corrosion of iron archaeological artefacts in soil. Corrosion Science, Elsevier, 2017, 129, pp.169 - 178. ⟨10.1016/j.corsci.2017.10.011⟩. ⟨cea-01758707⟩

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